4.9/5 from 25,000+ Homeowners

Air Conditioning Repair in Jacksonville, FL

Fast, reliable air conditioning repair when Jacksonville's heat won't wait.

Providing Expert Service Since 2007

Is Your AC Showing These Warning Signs?

AC Not Cooling

Your AC runs but doesn’t cool your home, leaving you sweltering in Northeast Florida’s humidity despite high energy bills.

Strange Noises

Grinding, squealing, or banging sounds indicate serious mechanical issues that need immediate attention.

Frequent Cycling

Your AC turns on and off repeatedly, never reaching set temperature and wearing out components faster.

Water Leaks

Pooling water around your unit or frozen coils signal drainage problems that can cause water damage.

High Energy Bills

Unexplained spikes in electricity costs indicate your AC is working harder than it should due to mechanical problems.

Expert Air Conditioning Repair for Jacksonville's Toughest Climate

Jacksonville’s humid subtropical climate creates year-round cooling demands. With hot summers, high humidity, and coastal influences affecting HVAC systems, AC failure isn’t just uncomfortable—it’s a health emergency. One Hour Air Conditioning & Heating provides immediate response with NATE-certified technicians who understand Jacksonville’s unique climate. We serve Jacksonville, Jacksonville Beach, Atlantic Beach, Ponte Vedra Beach, Orange Park, Oakleaf Plantation, Mandarin Station, East Arlington, Oceanway, Sandalwood, Sans Pareil, and throughout Duval County. We arrive within 60 minutes for emergencies, diagnose problems accurately, and restore your comfort fast—guaranteed.

Common AC Repairs We Handle Daily

Jacksonville’s intense heat causes specific AC problems we see daily. Refrigerant leaks rob cooling power while corroding coils. Capacitor failures from constant operation leave systems unable to start. Compressor issues from overwork require expert diagnosis. Our NATE-certified technicians carry extensive parts inventory, enabling same-visit repairs for most issues. We use advanced diagnostics including thermal imaging and digital gauges to identify problems precisely, avoiding guesswork and unnecessary replacements that waste your money.

Most frequent Jacksonville AC repairs:

Emergency AC System Diagnostics

When your AC fails, accurate diagnosis prevents costly misdiagnosis. Our 21-point inspection covers electrical systems, refrigerant levels, airflow, thermostat calibration, and mechanical components. We test capacitors, check amp draws, measure superheat and subcooling, and inspect ductwork. This comprehensive approach identifies not just the immediate problem but underlying issues that could cause future failures. We document findings with photos and measurements, explaining issues clearly so you can make informed repair decisions.

Diagnostic process includes:

Why Jacksonville Homes Need Faster AC Repair

Jacksonville’s climate makes AC failure a health emergency, not just discomfort. Indoor temperatures can exceed 90°F within hours, dangerous for elderly residents and pets. High humidity promotes mold growth in just 24-48 hours without proper cooling and dehumidification. Our rapid response prevents these cascading problems. We maintain multiple service vehicles throughout Duval County, ensuring technicians reach you quickly with the right parts and tools.

Transparent Pricing & Repair Options

We provide upfront, written estimates before any work begins. Our technicians explain repair options clearly, from temporary fixes to complete solutions, helping you choose based on your budget and needs. We offer multiple payment options including financing for major repairs. Our work includes comprehensive warranties: one year on labor, manufacturer warranties on parts. If we’re late, you don’t pay a dime—that’s our promise to respect your time in emergency situations.
 
Don’t suffer through Jacksonville’s heat another minute. One Hour Air Conditioning & Heating delivers the fastest, most reliable AC repair in Duval County. Our NATE-certified technicians are standing by 24/7, ready to restore your comfort. Call (904) 799-1673 now for priority service, or book online for fastest response. Remember—we’re always on time or you don’t pay a dime!

100% Satisfaction Guarantee

If you’re not completely satisfied with our work, we’ll make it right or refund your money.

AC Repair FAQs for Jacksonville Homeowners

We guarantee 60-minute emergency response throughout Jacksonville, Jacksonville Beach, Atlantic Beach, Ponte Vedra Beach, Orange Park, Oakleaf Plantation, Mandarin Station, East Arlington, Oceanway, Sandalwood, and Sans Pareil. Our NATE-certified technicians carry extensive parts inventory, enabling same-day repairs for most common issues. We maintain multiple service vehicles throughout Duval County for rapid response.

While we complete most repairs the same day, some complex issues require specialized parts we may need to order. In these situations, we’ll provide temporary cooling solutions when possible and expedite parts delivery. We’ll give you a realistic timeline and keep you updated throughout the process.

Yes, our NATE-certified technicians are trained to repair all major AC brands including Carrier, Trane, Lennox, Goodman, Rheem, American Standard, York, and more. We work on central air systems, heat pumps, ductless mini-splits, and packaged units.

Repair costs vary based on the specific problem, parts needed, and labor required. We provide upfront, written estimates before beginning any work. Our technicians will explain all options available so you can make the best decision for your budget and needs.

This depends on several factors: the age of your system, the cost of repair, its efficiency, and how much longer it’s likely to last. As a general rule, if repair costs exceed 50% of replacement cost and your system is over 10-12 years old, replacement might be more cost-effective.

Absolutely. We provide 24/7 emergency AC repair throughout Jacksonville. Our emergency service includes the same 60-minute response guarantee and on-time-or-free promise. We’re available nights, weekends, and holidays when you need us most.

All our AC repairs include a comprehensive one-year warranty on labor, plus manufacturer warranties on all parts installed. We stand behind our repairs because we use quality parts and our technicians are NATE-certified professionals.

Don't Let AC Failure Disrupt Your Jacksonville Home.

Call One Hour Air Conditioning & Heating at (904) 799-1673 for fast, reliable AC repair. Available 24/7 with 60-minute response guarantee!

AC Repair in Jacksonville, FL: Dependable, On-Time Service Guaranteed

Keep Your Cool with One Hour

In Jacksonville, where the sun shines most of the year, air conditioning isn’t just a luxury; it’s your frontline defense against the sweltering Florida heat. At One Hour, we understand that a failing AC isn’t just an inconvenience—it’s a battle against the elements. That’s why our team of local technicians can offer expert AC repairs in Jacksonville, FL that don’t break the bank. 

Gas vs. Electric Heaters: Which Is Best for Your Home?
AC Repair

Why Trust One Hour?

We employ teams of local technicians who treat you like the neighbors you are. We understand that Jacksonville is a community of families, retirees, and hard-working individuals who deserve the best. Our team at One Hour is woven into the fabric of this community. We’re not just AC repair folks; we’re your neighbors. When your AC falters, it’s personal to us.

The Signs Your AC Needs a Little TLC

Don’t ignore the signs that you AC needs help. When you notice any of the following, it might be time to schedule your Jacksonville, FL AC repair service:

Rapid Response for Rapid Relief

If your AC goes out when temperatures are high, don’t worry. At One Hour we offer same-day service because we know discomfort doesn’t wait, and neither should you. Whether it’s a weekday rush or a weekend emergency, our team is ready to spring into action. 

Our Unwavering Commitment Guarantee

We offer a 100% satisfaction guarantee. Why? Because we want every client, and every home, to be as safe and comfortable as possible, all year round. 

Call us at One Hour today—”We’re always on time, or you don’t pay a dime.”